Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Income Tax Footnote Disclosure [Line Items]
Effective Income Tax Rate Reconciliation, Percent	28.00%	27.00%	29.00%	22.00%
Provision for income taxes	$ 78	$ 25	$ 331	$ 161
Gross unrecognized tax benefits	$ 788		$ 788
Codemasters Group Holdings plc [Member]
Income Tax Footnote Disclosure [Line Items]
Effective Income Tax Rate Reconciliation, Percent				3000.00%
Provision for income taxes		$ 60